Texas Instruments TI-89 Manuel D’Utilisation

Page de 1008
3D Graphing
 406
Note:
 From the Graph screen, you can switch to the other graph format styles by 
pressing:
Í 
However, to return to IMPLICIT PLOT press:
8 Í 
The viewing angle is set initially so that you are viewing the plot by looking down the 
z axis. You can change the viewing angle as necessary.
The plot is shown in expanded view. To switch between expanded and normal view, 
press 
p.
The Labels format is set to OFF automatically.
and then set 
Style = IMPLICIT PLOT
.
Style
x
2
–y
2
=4
z1(x,y)=x
2
–y
2
–4
sin(x)+cos(y)= e(x
ù
y)
z1(x,y)=sin(x)+cos(y)–e(x
ù
y)
IMPLICIT 
PLOT